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HD 4000 C / HD 6000 C
English
5.956-648 A10369 (06/98)
E. Maintenance
E3
Interval Procedure Subject Assembly Activity By whom
Daily Check
handgun
All handguns Check whether handgun closes
properly. Check function of
safeguard against inadvertent
operation. Replace defective
handguns.
Operator
Check
high-pressure
hoses
Outlet lines & hoses leading
to workstations
Check hoses for damage. Replace
defective hoses immediately.
Accident Hazard!
Operator
Weekly, or
after 40
operating
hours
Check system
for leaks
Entire system Check pump, overflow valve and
tubing installation for leaks. If oil is
present in the drip pan under pump,
of if a leak exceeds 10 drops of
water per minute, call customer
service immediately.
Keep weep holes unblocked.
Operator/
Customer
Service
Check oil level Both pump sides Check pump oil level. MIN level:
Centre of oil sight glass. MAX level:
up to mark in housing. If required,
top up with oil (part no. 6.288-061).
Operator
Check oil
quality
Both pump sides If the oil appears milky, it must be
changed. In this case it is
recommended to change the pump
oil seal also.
(Customer service.)
Operator/
Customer
Service
Check
working
pressure
Pressure gauge in control
panel
Check system water pressure
(pressure gauge). If pressure is too
high or too low, investigate and
remedy the cause (see also the
section on Trouble Shooting).
Operator
Check hose
quick-coupling
Hose quick-couplings
between system tap and
high-pressure hose to
handgun.
Pump must be running.
Check for leakage in tandem and
individual operation.
Connect clutch and check clutch
locking function.
Replace defective clutches.
Operator
Customer
Service
Check
dashpot
Dashpot on each pump side A defective dashpot is readily
identifiable through increased pump
vibration.
Replace defective dashpot.
Operator
Customer
Service